Water and Wastewater Standards

Plastic Piping Systems Standards

Overview

Standards

Why Work With NSF?

As the most widely recognized mark in the water products industry, NSF International has the standards, qualifications and reputation to help your business meet the needs of the market and gain the recognition and acceptance that is critical to success.

Standards and protocols can provide credibility and industry acceptance for emerging technologies or new product categories. To find out more about developing new standards, call +1 734.913.5774 or email standards@nsf.org.

For standard development or revision status, visit the NSF Online Workspace. Get involved with NSF standards and protocol development by joining a Joint Committee. The NSF Standards Department is seeking experts to serve on various NSF joint committees. Learn more.

NSF/ANSI 358-1: Pipe and Fittings for Geothermal Systems

NSF/ANSI 358-1: Polyethylene Pipe and Fittings for Water-Based Ground-Source “Geothermal” Heat Pump Systems determines the minimum physical and performance requirements for plastic system components. NSF/ANSI 358-1 establishes product testing, long-term strength and quality control requirements that are key to ensuring product performance in the field. Learn more about NSF/ANSI 358-1.

Why Work With NSF?

NSF is the most widely recognized and respected certification mark in the plastic piping industry. NSF’s water industry experience and background can help your organization with certification to existing standards or in developing new ones. NSF is accredited by the American National Standards Institute (ANSI) to develop American National Standards. ANSI's accreditation verifies that NSF develops standards in a manner that ensures openness and due process allowing for equity and fair play.